Section 7
Symptoms:
Low coolant flow, no alarm. Low coolant flow, the
pump cavitates (cavitation sounds like heavy grit in the pump
head, or a suction sound) or is otherwise noisy.
Possible Causes:
The coolant filter or intake strainer is clogged.
The filters are clogged.
Corrective Action:
Machines made after March, 2015:
Press the plunger down (5)
times to clean the filter. Make sure that the auto-clean plunger
activates when the TSC pump shuts off. If it does not activate, go
to
to troubleshoot the solenoid. Test the TSC
purge solenoid.
Remove the filter tray from the bottom of the TSC assembly.
Remove the tray lid [3] from the filter [4]. Use a brush to clean
the filter. Install the filter tray to the bottom of the TSC pump
assembly.
If the solenoid operates and it outputs air, check the air tube for
kinks or breaks.
Machines made before March, 2015:
Remove the filter
retaining ring [1] and filter screen [2] from the bottom of the TSC
pump assembly. Clean the filter screen [2] with warm, soapy
water and a soft brush.
Remove the chip basket and polyester mesh strainer (if the
strainer is installed) from the chip tray. Remove all chips from
the chip strainer basket.
To replace the mesh strainer [5], pull it tightly over the top of the
chip basket [7]. Make sure that the elastic band [6] goes over the
edge of the chip basket [7].
Copyright 2020 by Haas Automation, Inc. No unauthorized reproduction | Last Published On December 26, 2016
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